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    <title>Document</title>
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    <script>
        //递归求累加和
        function getSum(n) {
            if (n == 1) {
                return 1
            } else {
                return n + getSum(n - 1)
            }
        }
        console.log(getSum(100))
        //递归求累加和简化版本
        function GetSum(n) { return n == 1 ? 1 : n + GetSum(n - 1) }
        console.log(GetSum(100))
    </script>
</body>

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